CN101870017A - Indexable threading insert - Google Patents
Indexable threading insert Download PDFInfo
- Publication number
- CN101870017A CN101870017A CN 201010213741 CN201010213741A CN101870017A CN 101870017 A CN101870017 A CN 101870017A CN 201010213741 CN201010213741 CN 201010213741 CN 201010213741 A CN201010213741 A CN 201010213741A CN 101870017 A CN101870017 A CN 101870017A
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- boss
- end boss
- angle
- cutting
- dust lead
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Abstract
The invention discloses an indexable threading insert which comprises an insert body, an insert central hole, a chip breaker and a cutting edge part are arranged on the insert body, wherein the cutting edge part comprises a front tool face, an edge angle crown face and two edge angle side surfaces, the edge angle crown face is intersected with the front tool face for forming a cutting angle edge, the two edge angle side surfaces are intersected with the front tool face for forming two side cutting edges, a chip guide groove and a chip guide boss which are symmetrically distributed along an angular bisector of the cutting angle edge are arranged on the front tool face, the chip guide boss is arranged in the chip guide groove, the chip guide boss consists of a ridge peak, a V-shaped front-end boss and an inverted V-shaped back-end boss, one end of the ridge peak is connected with the tip of the front-end boss, and the other end is connected with the tip of the back-end boss. The indexable threading insert has the advantages of effectively controlling the curling of chips and the discharge direction thereof during threading and significantly improving the threading surface smoothness and the machining efficiency.
Description
Technical field
The present invention relates to metal-cutting machine tool, relate in particular to Indexable threading insert.
Background technology
Thread turning processing is more special, and in the thread turning process, the both sides cutting edge of the cutting basil participates in cutting simultaneously, and the amount of feeding is big, smear metal makes smear metal be difficult to fracture along with the increase of feed number of times becomes more and more wideer, and is easy to be wrapped on workpiece, cutter and the anchor clamps; The point of a knife angle of Cutting blade for machining screw thread is little, intensity is low, is wrapped in easy the beating of the smear metal of rotating with workpiece one superhigh speed on the workpiece and causes the blade tipping on blade; Workpiece is twined in smear metal can cause that also workpiece screw thread fineness descends, and the smear metal of twining also causes danger to the operator easily; The screw thread blade is when plasticity such as processing stainless steel, alloy material, non-ferrous metal and cohesive material, blade rake face blade tip position is owing to reasons such as rake face unreasonable structure, cutting speed discomfort are easy to generate built-up edge and the hollow phenomenon of crescent moon, cause phenomenons such as blade strength reduction, insert shape change in size, cause blade life to reduce rapidly, production efficiency descends, and has increased production cost.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of and can effectively control the direction of curling and discharging that screw thread adds the smear metal in man-hour, and can significantly improve the Indexable threading insert of screw thread processed surface smoothness and working (machining) efficiency.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of Indexable threading insert, comprise blade body, described blade body is provided with the blade center hole, chip breaker and cutting blade, described cutting blade is by rake face, basil arc surface and two basil sides surround, described basil arc surface and rake face intersect formation cutting angle sword, described two basil sides and rake face intersect two side cutting edges of formation, described rake face is provided with dust lead groove and the dust lead boss that is symmetrically distributed along the angular bisector of cutting angle sword, described dust lead boss is located in the dust lead groove, described dust lead boss is by the ridge peak, the rear end boss of the front end boss of V-arrangement and Λ shape is formed, described ridge peak one end is connected with the tip of front end boss, and the other end is connected with the tip of rear end boss.
Described front end boss is close to the cutting angle sword, and surrounds a hemispherical groove with the cutting angle sword.
The distance of dust lead groove is arrived at the top of described front end boss less than the top of rear end boss to the distance of dust lead groove.
Described ridge jag part and rake face are the α angle, and 5 °≤α≤15 °.
Be provided with a plurality of ellipse grooves in the zone that is surrounded by ridge peak, front end boss and rear end boss in the described dust lead groove, described a plurality of ellipse grooves are along ridge peak symmetric arrangement.
The V-arrangement angle of described front end boss is θ
1, 100 °≤θ
1≤ 130 °, the Λ clevis angle of described rear end boss is θ
2, 120 °≤θ
2≤ 150 °.
Described rake face links to each other through being connected curved surface with chip breaker, and described connection curved surface and chip breaker upper surface are θ
3Extend at the angle, 40 °≤θ
3≤ 60 °; Described connection curved surface is formed by connecting by first inclined-plane, second inclined-plane and circular arc joint face, and the angular bisector of described first inclined-plane and described cutting angle sword is θ
4Extend at the angle, 50 °≤θ
4≤ 75 °, the angular bisector of described second inclined-plane and described cutting angle sword is θ
5Extend at the angle, 90 °≤θ
5≤ 100 °, described first inclined-plane and described chip breaker upper surface intersect formation first intersection, second inclined-plane and described chip breaker upper surface intersect formation second intersection, the extended line of first intersection and second intersection intersects at the S point, the S point is L to the distance of the angular bisector of described cutting angle sword, 2.0mm≤L≤4.5mm.
Compared with prior art, the invention has the advantages that: the rake face of Indexable threading insert of the present invention is provided with unique dust lead groove and dust lead boss, add man-hour at screw thread, the smear metal that flank processing produces flows to the dust lead boss along the dust lead groove of symmetric arrangement, and be lifted in the side at ridge peak and curl, avoid the smear metal head directly to clash into the blade rake face and produce blade tipping phenomenon.Front end boss and cutting angle sword surround a hemispherical groove, and this hemispherical groove helps the smear metal of blade tip place in time to be lifted, and avoid blade rake face blade tip that sticking cutter and the hollow phenomenon of crescent moon partly take place, and position, blade tip intensity is enhanced.Smear metal is during through the ellipticity groove in the blade rake face, can effectively reduce the contact area of smear metal and dust lead groove and dust lead boss, increase the area of dissipation of cutter and smear metal, help heat radiation, and produce built-up edge or crescent moon low-lying area phenomenon when avoiding flank smear metal contact cutter.Being connected curved surface and can leading between rake face and the chip breaker end face to the smear metal that is lifted and curl, smear metal is flowed along connecting curved surface, directs chips is discharged along the flank of tool accurately, and avoid machined surface, avoid smear metal to twine workpiece and scraping machined surface, effectively improve the surface quality of workpiece screw thread.The chip breaking structure of Indexable threading insert of the present invention is applied widely, but diabolo screw thread, rectangular thread, trapezoidal thread etc. are processed, for conventional thread turning blade, Indexable threading insert processing of the present invention is brisk, smear metal frictional force in flow process is little, and the workpiece screw thread is highly polished, and blade strength is good, can effectively improve working (machining) efficiency, reduce production costs.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is the partial enlarged drawing of cutting angle sword;
Fig. 3 is a side view of the present invention;
Fig. 4 is the A-A cross section view of Fig. 2;
Fig. 5 is the B-B cutaway view of Fig. 2.
Each label is represented among the figure:
1, blade body; 2, blade center hole; 3, chip breaker; 4, cutting blade; 5, connect curved surface; 41, rake face; 42, basil arc surface; 43, basil side; 44, cutting angle sword; 45, side cutting edge; 411, dust lead groove; 412, front end boss; 413, rear end boss; 414, ridge peak; 415, hemispherical groove; 416, ellipse groove; 51, first inclined-plane; 52, second inclined-plane; 53, circular arc joint face; 54, first intersection; 55, second intersection.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail.
Fig. 1 to Fig. 5 shows a kind of Indexable threading insert embodiment of the present invention, this blade comprises blade body 1, blade body 1 is provided with blade center hole 2, chip breaker 3 and cutting blade 4, cutting blade 4 is by rake face 41, basil arc surface 42 and two basil sides 43 surround, basil arc surface 42 intersects formation cutting angle sword 44 with rake face 41, two side cutting edges 45 of formation are intersected with rake face 41 in two basil sides 43, rake face 41 is provided with dust lead boss and the similar leg-of-mutton dust lead groove 411 that is symmetrically distributed along the angular bisector of cutting angle sword 44, the dust lead boss is located in the dust lead groove 411, the dust lead boss is by ridge peak 414, the front end boss 412 of V-arrangement and the rear end boss of Λ shape 413 are formed, ridge peak 414 1 ends are connected with the tip of front end boss 412, the other end is connected with the tip of rear end boss 413, ridge peak 414, front end boss 412 and rear end boss 413 all are connected by circular arc with dust lead groove 411, add man-hour at screw thread, the smear metal that flank processing produces flows to the dust lead boss along the dust lead groove 411 of symmetric arrangement, and be lifted in the side at ridge peak 414 and curl, avoid the smear metal head directly to clash into blade rake face 41 and produce the tipping phenomenon.
In the present embodiment, front end boss 412 is close to cutting angle sword 44, and surround a hemispherical groove 415 with cutting angle sword 44, this hemispherical groove 415 helps the smear metal of blade tip place and in time is lifted, avoid the blade tip of blade rake face 41 that sticking cutter and the hollow phenomenon of crescent moon partly take place, the blade tip position intensity of blade is improved.Less than the top of rear end boss 413 distance to dust lead groove 411,414 tops, ridge peak and rake face 41 are the α angle to the distance of dust lead groove 411 at the top of front end boss 412, and 5 °≤α≤15 °, and in the present embodiment, α is 7 °; Two symmetrical sidewalls of dust lead groove 411 all are the β angle with the plane that forms rake face 41, and 20 °≤β≤60 °, β in the present embodiment=30 °; The zone that is surrounded by ridge peak 414, front end boss 412 and rear end boss 413 in the dust lead groove 411 is provided with a plurality of ellipse grooves 416, a plurality of ellipse grooves 416 are along ridge peak 414 symmetric arrangement, the length of a plurality of ellipse grooves 416 changes, ellipse groove 416 length in the middle of arranging are the longest, and ellipse groove 416 length of its both sides reduce gradually; The groove depth of ellipse groove 416 is between 0.035mm～0.1mm; Spacing between the ellipse groove 416 is between 0.4mm～0.8mm, the groove width of ellipse groove 416 is between 0.1mm～0.3mm, ellipse groove 416 can effectively reduce the contact area of smear metal and dust lead groove 411 and dust lead boss, increase the area of dissipation of cutter and smear metal, help heat radiation, and produce built-up edge or the hollow phenomenon of crescent moon when avoiding flank smear metal contact cutter.The V-arrangement angle of front end boss 412 is θ
1, 100 °≤θ
1≤ 130 °, the Λ clevis angle of rear end boss 413 is θ
2, 120 °≤θ
2≤ 150 °, in the present embodiment, θ
1=118 °, θ
2=130 °.Rake face 41 links to each other through being connected curved surface 5 with chip breaker 3, connects curved surface 5 and is θ with chip breaker 3 upper surfaces
3Extend at the angle, 40 °≤θ
3≤ 60 °, in the present embodiment, θ
3=55 °; Connect curved surface 5 and be formed by connecting by first inclined-plane 51, second inclined-plane 52 and circular arc joint face 53, first inclined-plane 51 is θ with the angular bisector of cutting angle sword 44
4Extend at the angle, 50 °≤θ
4≤ 75 °, in the present embodiment, θ
4=64 °, second inclined-plane 52 is θ with the angular bisector of cutting angle sword 44
5Extend at the angle, 90 °≤θ
5≤ 100 °, in the present embodiment, θ
5=97 °, first inclined-plane 51 is connected with the angular bisector place of circular arc joint face 53 in cutting angle sword 44, first inclined-plane 51 intersects formation first intersection 54 with chip breaker 3 upper surfaces, second inclined-plane 52 intersects formation second intersection 55 with chip breaker 3 upper surfaces, the extended line of first intersection 54 and second intersection 55 intersects at the S point, the S point is L to the distance of the angular bisector of cutting angle sword 44,2.0mm≤L≤4.5mm, in the present embodiment, L=2.38mm, this connection curved surface 5 can lead to the smear metal that is lifted and curl, smear metal is flowed along connecting curved surface 5, and directs chips is discharged along the flank of tool accurately, and avoids machined surface, avoid smear metal to twine workpiece and scraping machined surface, effectively improve the surface quality of workpiece screw thread.The chip breaking structure of Indexable threading insert of the present invention is applied widely, but diabolo screw thread, rectangular thread, trapezoidal thread etc. are processed, for conventional thread turning blade, Indexable threading insert processing of the present invention is brisk, smear metal frictional force in flow process is little, and the workpiece screw thread is highly polished, and blade strength is good, can effectively improve working (machining) efficiency, reduce production costs.
Above-mentioned is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art under the situation that does not break away from the technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all should drop in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to the technology of the present invention essence.
Claims (9)
1. Indexable threading insert, comprise blade body (1), described blade body (1) is provided with blade center hole (2), chip breaker (3) and cutting blade (4), described cutting blade (4) is by rake face (41), basil arc surface (42) and two basil sides (43) surround, described basil arc surface (42) intersects formation cutting angle sword (44) with rake face (41), formation two side cutting edges (45) are intersected with rake face (41) in described two basil sides (43), it is characterized in that: described rake face (41) is provided with dust lead groove (411) and the dust lead boss that is symmetrically distributed along the angular bisector of cutting angle sword (44), described dust lead boss is located in the dust lead groove (411), described dust lead boss is by ridge peak (414), the front end boss (412) of V-arrangement and the rear end boss (413) of Λ shape are formed, described ridge peak (414) one ends are connected with the tip of front end boss (412), and the other end is connected with the tip of rear end boss (413).
2. Indexable threading insert according to claim 1 is characterized in that: described front end boss (412) is near cutting angle sword (44), and surrounds a hemispherical groove (415) with cutting angle sword (44).
3. Indexable threading insert according to claim 1 and 2 is characterized in that: the distance of dust lead groove (411) is arrived at the top of described front end boss (412) less than the top of rear end boss (413) to the distance of dust lead groove (411).
4. Indexable threading insert according to claim 1 and 2 is characterized in that: (414) top, described ridge peak and rake face (41) are the α angle, and 5 °≤α≤15 °.
5. Indexable threading insert according to claim 3 is characterized in that: (414) top, described ridge peak and rake face (41) are the α angle, and 5 °≤α≤15 °.
6. Indexable threading insert according to claim 1 and 2, it is characterized in that: the zone that is surrounded by ridge peak (414), front end boss (412) and rear end boss (413) in the described dust lead groove (411) is provided with a plurality of ellipse grooves (416), and described a plurality of ellipse grooves (416) are along ridge peak (414) symmetric arrangement.
7. Indexable threading insert according to claim 5, it is characterized in that: the zone that is surrounded by ridge peak (414), front end boss (412) and rear end boss (413) in the described dust lead groove (411) is provided with a plurality of ellipse grooves (416), and described a plurality of ellipse grooves (416) are along ridge peak (414) symmetric arrangement.
8. Indexable threading insert according to claim 7 is characterized in that: the V-arrangement angle of described front end boss (412) is θ
1, 100 °≤θ
1≤ 130 °, the Λ clevis angle of described rear end boss (413) is θ
2, 120 °≤θ
2≤ 150 °.
9. Indexable threading insert according to claim 8 is characterized in that: described rake face (41) links to each other through being connected curved surface (5) with chip breaker (3), and described connection curved surface (5) is θ with chip breaker (3) upper surface
3Extend at the angle, 40 °≤θ
3≤ 60 °; Described connection curved surface (5) is formed by connecting by first inclined-plane (51), second inclined-plane (52) and circular arc joint face (53), and described first inclined-plane (51) is θ with the angular bisector of described cutting angle sword (44)
4Extend at the angle, 50 °≤θ
4≤ 75 °, described second inclined-plane (52) is θ with the angular bisector of described cutting angle sword (44)
5Extend at the angle, 90 °≤θ
5≤ 100 °, described first inclined-plane (51) intersects formation first intersection (54) with described chip breaker (3) upper surface, second inclined-plane (52) intersects formation second intersection (55) with described chip breaker (3) upper surface, first intersection (54) intersects at the S point with the extended line of second intersection (55), the S point is L to the distance of the angular bisector of described cutting angle sword (44), 2.0mm≤L≤4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010213741XA CN101870017B (en) | 2010-06-30 | 2010-06-30 | Indexable threading insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010213741XA CN101870017B (en) | 2010-06-30 | 2010-06-30 | Indexable threading insert |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101870017A true CN101870017A (en) | 2010-10-27 |
| CN101870017B CN101870017B (en) | 2012-09-05 |
Family
ID=42995203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010213741XA Active CN101870017B (en) | 2010-06-30 | 2010-06-30 | Indexable threading insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101870017B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896381A (en) * | 2011-07-29 | 2013-01-30 | 株洲钻石切削刀具股份有限公司 | Indexable thread machining blade |
| WO2013171734A1 (en) | 2012-05-15 | 2013-11-21 | Iscar Ltd. | Cutting insert with chip-control arrangement |
| CN103639543A (en) * | 2013-11-14 | 2014-03-19 | 株洲钻石切削刀具股份有限公司 | Thread machining blade |
| CN105290546A (en) * | 2015-10-16 | 2016-02-03 | 厦门金鹭特种合金有限公司 | Indexable thread machining blade |
| CN109420780A (en) * | 2017-08-22 | 2019-03-05 | 江苏扬碟钻石工具有限公司 | A kind of ridge-roof type turning insert |
| CN113664234A (en) * | 2021-08-31 | 2021-11-19 | 成都工具研究所有限公司 | Precision forming cutting tool and preparation method thereof |
| CN113770460A (en) * | 2021-09-30 | 2021-12-10 | 成都工具研究所有限公司 | Precision press-formed indexable threading tool |
| CN115446339A (en) * | 2022-09-28 | 2022-12-09 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896381A (en) * | 2011-07-29 | 2013-01-30 | 株洲钻石切削刀具股份有限公司 | Indexable thread machining blade |
| CN102896381B (en) * | 2011-07-29 | 2014-09-17 | 株洲钻石切削刀具股份有限公司 | Indexable thread machining blade |
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| CN105290546A (en) * | 2015-10-16 | 2016-02-03 | 厦门金鹭特种合金有限公司 | Indexable thread machining blade |
| CN109420780A (en) * | 2017-08-22 | 2019-03-05 | 江苏扬碟钻石工具有限公司 | A kind of ridge-roof type turning insert |
| CN113664234A (en) * | 2021-08-31 | 2021-11-19 | 成都工具研究所有限公司 | Precision forming cutting tool and preparation method thereof |
| CN113770460A (en) * | 2021-09-30 | 2021-12-10 | 成都工具研究所有限公司 | Precision press-formed indexable threading tool |
| CN113770460B (en) * | 2021-09-30 | 2022-07-19 | 成都工具研究所有限公司 | Precision pressing forming indexable threading tool |
| CN115446339A (en) * | 2022-09-28 | 2022-12-09 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
| CN115446339B (en) * | 2022-09-28 | 2024-03-08 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
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